package com.wechat.DAO;

import com.wechat.pojo.User;
import org.jetbrains.annotations.NotNull;

public interface UserDAO {
    public abstract String add(User user);
    public abstract String lock(int Uid,int lockDays);
    public abstract String unlock(int Uid);
    public abstract String update(User user);
    public abstract User query(int Uid);
    public abstract User querySQL(String sql);
}
